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The Single UNIX &reg; Specification, Version 2<br>
Copyright &copy; 1997 The Open Group
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Copyright &copy; 1997 The Open Group
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All rights reserved. 
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Portions of this document are derived from
IEEE Std 1003.1-1996, copyright &copy; 1996
(incorporating ANSI/IEEE Stds 1003.1-1990,
1003.1b-1993, 1003.1c-1995 and 1003.1i-1995)
by the Institute of Electrical and Electronics Engineers, Inc.
with the permission of the IEEE.
<p>
Portions of this document are derived from
IEEE Std P1003.2-1992 and
IEEE Std P1003.2a-1992, copyright &copy; 1992
by the Institute of Electrical and Electronics Engineers, Inc.
ISO/IEC 9945-2:1993,
Information Technology - Portable Operating System (POSIX) - Part 2: 
Shell and Utilities is technically identical to the IEEE standards
in these areas.
<p>
Portions of this document are extracted from
IEEE Draft Standards P1003.2/D12, copyright &copy; 1992
by the Institute of Electrical and Electronics Engineers, Inc.
with the permission of the IEEE.             
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Portions of this document are derived from copyrighted material owned by
Hewlett-Packard Company,
International Business Machines Corporation,
Novell Inc.,
The Open Software Foundation, and
Sun Microsystems, Inc.
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No further reproduction of this material is permitted without the
written permission of the publisher. Please see the <a href="License">
License</a> file for important information.
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UNIX &reg; is a registered Trademark of The Open Group.<br>
Copyright &copy; 1997 The Open Group
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